Alphonzo Edward Bell Sr. was an American oil multi-millionaire, real estate developer, philanthropist, and champion tennis player. The westside Los Angeles residential community of Bel Air is named after him, as well as the Southern California communities of Bell and Bell Gardens.

Bel Air is a residential neighborhood on the Los Angeles Westside, in the foothills of the Santa Monica Mountains in the U.S. state of California. Founded in 1923, it is the home of the Hannah Carter Japanese Garden and the American Jewish University.